England - Link Necklaces
186
70
to
9
256
3,120
983
47
130
79
3
3
5
3
1
8
7
17
29
15
13
8
6
6
5
142
113
1
182
91
80
41
33
64
12
10
10
7
30
15
11
5
5
to
41
37
26
11
11
6
5
3
2
2
1
1
1
Item Ships From: England
Georg Jensen Sterling Silver Lotus Necklace, Per Hertz
By Georg Jensen
Located in Glasgow, GB
A sterling silver 'Lotus' Necklace, designed by Per Hertz for Georg Jensen.
Stamped with post-1945 Georg Jensen marks, '925S Denmark', and with Danish Common Control Marks for sterl...
Category
Early 2000s Danish Modern England - Link Necklaces
Materials
Silver, Sterling Silver
Antique French silver long chain necklace, longuard chain, 900 silver
Located in NEWARK, GB
This gorgeous antique French silver long chain or longuard chain necklace is everything you could hope for in a long chain.
It is a lovely long length chain at 61" and can be easily...
Category
19th Century French Art Nouveau Antique England - Link Necklaces
Materials
Silver
Angelique De Paris Resin & 18K Gold Plated Sterling Silver Link Necklace
By Angélique de Paris
Located in London, GB
Angelique De Paris Resin & 18K Gold Plated Sterling Silver Link Necklace
Chain necklace designed with resin and gold rings alternately linked.
Featuring gold logo embossed medallio...
Category
21st Century and Contemporary England - Link Necklaces
Materials
Gold Plate, Sterling Silver
Gold Plated Three Row Faux Turquoise Glass Necklace circa 1970s
Located in London, GB
Beautiful gold plated necklace with three rows of faceted faux turquoise glass stones. Length 42 cm / 16.5 inches by width 9 mm / .35 inch. The necklace is in very good condition, wi...
Category
1970s Unknown Vintage England - Link Necklaces
Materials
Gold Plate
Vintage 9k Yellow Gold Fancy Link Chain Necklace
Located in NEWARK, GB
A vintage gold chain is such an important staple for all jewellery collections, this gorgeous vintage, 70s era 9kt yellow gold fancy link Chain necklace...
Category
Late 20th Century British Retro England - Link Necklaces
Materials
9k Gold, Yellow Gold
5-Stone Rubover Necklace Set with 0.50ct G/H SI Diamonds in 14ct Yellow Gold
Located in London, GB
A timeless piece, this five-stone rubover necklace set in 14ct Yellow Gold is a classic design with a modern twist. A total of 0.50ct G/H SI Diamonds are set in a five-stone rubove...
Category
2010s England - Link Necklaces
Materials
Diamond, Yellow Gold, 14k Gold
Vintage Monet Gold Plated Flattened Curb Link Chain 1980s
By Monet
Located in Wilmslow, GB
A Vintage Monet Flattened Curb Link Chain. Crafted in gold plated metal. Substantial and wonderful quality. Very good vintage condition, signed, 41cms. Wonderfully stylish for all oc...
Category
1980s Vintage England - Link Necklaces
Materials
Gold Plate
3-Stone Rubover Necklace Set with 0.50ct G/H SI Diamonds in 14ct White Gold
Located in London, GB
A timeless piece, this 3-stone rub over necklace set in 14ct White Gold is a classic design with a modern twist. With a total of 0.50ct G/H SI Diamonds are set in a 3 rub over settin...
Category
2010s England - Link Necklaces
Materials
Diamond, White Gold, 14k Gold
Rice Nomad Necklace In 18ct Gold Vermeil
Located in London, GB
18ct yellow gold vermeil on a sterling silver necklace made of caraway 'rice' cylinder beads threaded onto chain. The necklace is finished with our signature hammered loop and t-bar ...
Category
21st Century and Contemporary British Contemporary England - Link Necklaces
Materials
Vermeil
Christian Dior GROSSE 1970s Vintage Interlinked Emerald Crystals Gold Necklace
By Henkel and Grosse for Christian Dior
Located in Wokingham, England
Christian Dior GROSSE 1970s Vintage Interlinked Openwork Emerald Green Square Crystals Necklace, Gold Plated
Very good condition. 100% Genuine. Rare to find.
Signed Grosse at back....
Category
1970s German Art Nouveau Vintage England - Link Necklaces
Materials
Gold Plate
Vintage Christian Dior Ribbed Link Necklace, 1980s
By Christian Dior
Located in London, GB
Vintage 1980s Christian Dior statement chain necklace in gold plate. This heritage necklace features large three-dimensional curb chain links with a unique ribbed texture, giving it...
Category
1980s German Modern Vintage England - Link Necklaces
Materials
Gold Plate
Victorian Silver Fancy Collar Necklace and Locket
Located in Chipping Campden, GB
This collar necklace is engraved with fine detail. The locket has a bird and surrounding it are stars. Locket is empty for your treasures.
Length: 44cm
Chain Width: 18mm
Locket Dim...
Category
1850s British Victorian Antique England - Link Necklaces
Materials
Silver
Van Cleef & Arpels Alhambra Blue Agate Necklace in 18K Yellow Gold
By Van Cleef & Arpels
Located in London, GB
Van Cleef & Arpels Alhambra Blue Agate Necklace in 18K Yellow Gold
Additional Information:
Brand: Van Cleef & Arpels
Gender: Women
Line: Alhambra
Material: Yellow gold (18K)
Conditi...
Category
21st Century and Contemporary England - Link Necklaces
Materials
Yellow Gold
Victorian Silver Fancy Collar Necklace
Located in Chipping Campden, GB
This necklace could be worn two ways, the more decorative side or the simple side. Coins on this collar are engraved on one side and are plain and glossy on the other side. The neck...
Category
1850s British Victorian Antique England - Link Necklaces
Materials
Silver
Vintage Monet Fancy Link Chain 1980s
By Monet
Located in Wilmslow, GB
A Vintage Monet Fancy Link Chain. Crafted in gold plated metal. Substantial and wonderful quality. Very good vintage condition, signed, 43cms. Wonderfully stylish for all occasions. ...
Category
1980s Vintage England - Link Necklaces
Lapponia Sterling Silver Necklace designed by Björn Weckström
By Lapponia
Located in Glasgow, GB
A sterling silver necklace designed by Björn Weckström for Lapponia.
Hallmarked with the Lapponia makers mark, Common Control Mark '925' to denote sterling silver, Finnish nation ma...
Category
1980s Finnish Modern Vintage England - Link Necklaces
Materials
Silver, Sterling Silver
Antique 9 Kt Yellow Gold Fancy Link Long Chain Necklace, Guard Chain, Victorian
Located in NEWARK, GB
This stunning antique, Victorian 9kt yellow gold, fancy link longuard chain is sure to turn some heads.
We love a good long chain here, such a versatile and wearable piece of jewell...
Category
19th Century British Victorian Antique England - Link Necklaces
Materials
9k Gold, Yellow Gold
10-Stone Rubover Necklace Set with 1.60ct G/H SI Diamonds in 14ct White Gold
Located in London, GB
A timeless piece, this 10-stone rubover necklace set in 14ct White Gold chain and 18ct Yellow Gold rubover settings is a classic design with a modern twist. A total of 1.60ct G/H SI ...
Category
2010s England - Link Necklaces
Materials
Diamond, 14k Gold, 18k Gold, Yellow Gold, White Gold
5-Stone Natural Pink Intense Diamond Necklace in 18ct Yellow Gold, 0.25ct
Located in London, GB
This elegant diamond necklace on a 18ct yellow gold chain features five mix shaped pink intense diamonds. Each stone is set in a prong setting and the chain is made of 18ct yellow go...
Category
21st Century and Contemporary British England - Link Necklaces
Materials
Diamond, Yellow Gold
5-Stone Natural Pink Intense Diamond Necklace in 18ct Yellow Gold
Located in London, GB
This elegant Diamond necklace on a 18ct Yellow Gold chain features five pink intense Diamonds. Each stone is set in a prong setting and the chain is made of 18ct Yellow Gold. The nec...
Category
2010s British England - Link Necklaces
Materials
Diamond, Yellow Gold
0.23ct Diamond Set Love Necklace on 16/18" in 9ct Rose Gold Chain
Located in London, GB
Set with 0.23ct of round diamonds, this LOVE necklace is a gift of love for someone special, or for yourself. This delicate necklace features a 9ct rose gold chain that can be worn o...
Category
21st Century and Contemporary British Modern England - Link Necklaces
Materials
Diamond, Rose Gold
0.23ct Diamond Set Love Necklace on 16/18" in 9ct Yellow Gold Chain
Located in London, GB
This Love pendant necklace is set with 0.23ct of diamonds and is the perfect gift for a loved one. The pendant is suspended from a 16" or 18" 9ct yellow gold chain. This beautiful ne...
Category
21st Century and Contemporary British England - Link Necklaces
Materials
Diamond, Yellow Gold
Necklace Set with 2.67ct Round Brilliant Cut Diamonds in 18ct Yellow Gold
Located in London, GB
This necklace set features 53 natural Round Brilliant Cut Diamonds with the total weight of 2.67ct. The Diamonds are set in 18ct Yellow Gold, and total length of the necklace is 17 i...
Category
2010s British England - Link Necklaces
Materials
Diamond, 18k Gold, Yellow Gold
Schreiber & Hiller Art Deco DRGM Silver Tone Rhinestone Link Necklace Bracelet
Located in London, GB
Schreiber & Hiller stylish Art Deco silver tone link necklace and bracelet set, featuring channel set rhinestones and ornate metalwork. There are nine rhinestones making up each link...
Category
1930s German Art Deco Vintage England - Link Necklaces
Vintage Anne Klein Silver Large Link Chain Necklace 1990s
Located in Wilmslow, GB
A long Vintage Anne Klein Chain of the most spectacular proportions and excellent quality. Crafted in silver plated metal. The statement sized links...
Category
20th Century England - Link Necklaces
Materials
Silver Plate
Joseph Mazer (Jomaz) Mid-Century Enamel and Rhinestones Vintage Leaves Necklace
By Joseph Mazer
Located in Skelmersdale, GB
This beautiful necklace exemplifies the fine craftsmanship and intricate designs of Joseph Mazer.
Condition Report:
Excellent
The Details...
This gold plated necklace features a se...
Category
Mid-20th Century American England - Link Necklaces
Materials
Enamel
Maviada Gold Link Chain Necklace in 18k gold
By MAVIADA
Located in GB
Sculptural links that reimagine the classic chain as fluid form, exclusive to Maviada, in luxurious recycled 18k gold. Everyday quiet luxury investment piece that will last a lifetime.
A stunning yellow gold necklace, featuring a contemporary silhouette of alternating oval and circular links in a luxurious high polish finish. Dressed up or dressed down, this clean, chic necklace gives instant, impact day or night. Designed to be comfortable and easy to wear.
A large circular clasp, makes it easy to put on and off. Layer this piece with other chains from our Accessory Collection for a bold, effortlessly cool, modern look.
Material: 18k yellow gold
Clasp: Circular hinge clasp for easy handling
Weight: approximate 50grams (1.76 Ounces) - this is a good solid weight. Same weight as Tiffany' Hardware Link Necklace...
Category
2010s Turkish Contemporary England - Link Necklaces
Materials
18k Gold
1940s Vintage French 18k Yellow Gold Fringe Necklace
Located in Jesmond, Newcastle Upon Tyne
This exceptional, fine and impressive vintage necklace has been crafted in 18 karat yellow gold.
The anterior portion of the necklace is ornamented with an articulating fringe style design, composed from a conjoined oval links accented with graduating vertical pale style terminals.
The surface of the necklace is ornamented with a ribbed decoration to one side, and the other is plain and unembellished; this allows for the necklace to be worn with two variations.
This substantial gold necklace secures to the reverse with a push fit clasp, and benefits from the added security of a hinged catch.
The tongue of the clasp is hallmarked with the French import gold mark (owl); this mark is used for finished articles brought into France to be examined by the French assay office.
This exceptional and imposing necklace has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 karat gold.
This exceptional and tactile necklace proffers a comfortable wear and is the finest of its type you could hope to acquire.
Condition
This exceptional vintage French gold necklace...
Category
20th Century French England - Link Necklaces
Materials
Yellow Gold, 18k Gold
Hum 18ct Yellow Gold & Silver Curb Chain Necklace With Twist-Lock Closure
Located in London, GB
A quality piece of jewellery, this HUM curb chain necklace is an elegant and stylish addition to any outfit.
It features an 18ct gold and silver curb chain design.
Total Weight: 82....
Category
2010s British Modern England - Link Necklaces
Materials
18k Gold, Yellow Gold, Silver
Antique 9k Gold Albert Chain, Curb Link, Edwardian
Located in NEWARK, GB
You are sure to be charmed by this handsome antique Edwardian era 9kt Rose gold Albert chain.
It is a curb link chain in 9kt Rose gold, each link individually stamped for 9ct gold, ...
Category
Early 20th Century British Edwardian England - Link Necklaces
Materials
9k Gold, Rose Gold
Victorian Silver Book Link Chain and Locket with Birds, Animals, circa 1880
Located in Lancashire, Oldham
This fabulous and one-of-a-kind Victorian antique book link chain is beautifully adorned with rose and yellow gold meadow birds, animals and insects. Dating from circa 1880 each of 19 panels of the chain is decorated with a miniature meadow scene with birds, animals and insects applied in relief. The Aesthetic movement necklace comes with an accompanying locket with its centre detailed with floral motifs bordered by a geometric pattern and beaded edge. A rare and totally unique antique silver chain...
Category
1880s European Victorian Antique England - Link Necklaces
Materials
Rose Gold, Yellow Gold, Silver
A Mid 19th Century Gold & Enamel Snake Necklace
Located in London, GB
A mid-19th century gold and enamel snake necklace, formed of an articulated body with a head set with blue enamel, pearls and rubies.
Category
Mid-19th Century Antique England - Link Necklaces
Materials
Gold, Enamel
CHANEL 1996 Necklace Gripoix CC Cross Pendant W/Link Chain
By Chanel
Located in London, GB
CHANEL 1996 Necklace Gripoix CC Cross Pendant W/Link Chain
This is an exceptional rare unique CHANEL Gripoix latin cross necklace with a long link chain Spring 1996. The beautiful latin cross is decorated with a central CC logo with purple-violet Gripoix (poured glass), Chanel is engraved around the gold tone frame in the middle. Chanel stamp is engraved on a plaque behind the cross and the letter CHANEL is engraved on the clasp. The gold tone is amazing and the poured glass cross is large and outstanding. It is a very rare necklace, a 'Must-Have Chanel necklace. For sale separately from the same collection the matching CHANEL 1996 Earrings...
Category
1990s French England - Link Necklaces
Materials
Gold Plate
Antique 9k Gold Longuard Chain Necklace, Rolo and Fancy Link, Victorian
Located in NEWARK, GB
This stunning antique, Victorian 9kt yellow gold longuard chain is sure to turn some heads.
We love a good longuard chain here, such a versatile and wearable piece of jewellery, this one is no exception.
Stunning oval belcher or rolo links in rich yellow gold intercepted by fancy double fused links, it is nice length, easily wrapped over a few times and is suitable to carry your favourite pendants or lockets.
It has a no fasteners but easily passes over the head, it has an attached 9kt gold dog...
Category
19th Century British Victorian Antique England - Link Necklaces
Materials
9k Gold, Yellow Gold
Trifari Silver Plated Brushed and Shiny Link Design Necklace circa 1960s
By Trifari
Located in London, GB
Beautiful Trifari silver plated brushed and shiny link design necklace. Length 39.7 cm / 15.6 inches by width 8 mm / .3 inch. The necklace has a double ...
Category
1960s American Vintage England - Link Necklaces
Givenchy Vintage 1980s Chunky Watch Link Interlock Gold Collar Choker Necklace
By Givenchy
Located in Wokingham, England
Very excellent condition. 100% genuine.
Signed at the back. Rare to find.
Size: 48 * 3 cm.
Weight: 113 g.
_ _ _
Great for everyday wear. Come with velvet pouch and beautiful pa...
Category
1980s French Art Nouveau Vintage England - Link Necklaces
Materials
Gold Plate
Vintage 3 Carat Diamond and 18K Yellow Gold Necklace
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 3 carat diamond and 18 karat yellow gold necklace; part of our diverse diamond jewellery and estate jewelry collections
This fine and impress...
Category
1980s Unknown Vintage England - Link Necklaces
Materials
Diamond, Yellow Gold
A Victorian Yellow Gold Collar Necklace
Located in London, GB
A Victorian yellow gold collar necklace, with interlocking links in diamond pattern, made in yellow gold with hidden clasp, circa 1870, unm...
Category
19th Century English Victorian Antique England - Link Necklaces
Materials
Yellow Gold
Vintage Givenchy chunky watch link necklace 1980s
By Givenchy
Located in Wilmslow, GB
A stunning Vintage Givenchy watch link necklace. Featuring a lustrous large watch link design that will undoubtedly make for an epic style statement tim...
Category
1980s Vintage England - Link Necklaces
Antique Victorian gold plated longuard chain necklace, rolo link
Located in NEWARK, GB
A gorgeous antique, Victorian era longuard chain necklace.
This is a rolo link long chain, gold plated brass though some of the plating is worn and this lea...
Category
19th Century British Victorian Antique England - Link Necklaces
Materials
Gold Plate, Brass
Vintage Large Chunky Curb Chain 1990s
Located in Wilmslow, GB
A Vintage Gold Chunky Curb Chain. Crafted in gold plated metal. Substantial and wonderful quality. Very good vintage condition, 44cms. Wonderfully stylish for all occasions.
Establ...
Category
1990s England - Link Necklaces
1990s Chanel Gold Chain and Large Pearl Necklace
By Chanel
Located in London, GB
1990s Chanel large simulated pearl and gold chain link necklace. From the time Karl Lagerfeld and Victoire de Castellane were the creative directors for the House in fashion and jewellery respectively. This single strand sautoir simply slips on over the head and has a gold plated and engraved authenticity cartouche stamped Chanel, Made in France. Season '29' corresponds to 1990 as the year of manufacture.
This necklace is in superb vintage condition overall. Early Chanel...
Category
1990s French England - Link Necklaces
Materials
Pearl, Gold Plate
Vintage Givenchy 1980s Silver Plated Collar Necklace
By Givenchy
Located in London, GB
Vintage Givenchy 1980s Necklace
Statement collar necklace from the Givenchy 80s archive. Made in France in the 1980s, this incredible neckl...
Category
1980s French Vintage England - Link Necklaces
Materials
Silver Plate
Art Deco Silver Tone Chain Necklace with Square Azure Blue Glass Crystals
Located in London, GB
Art Deco silver tone chain necklace featuring beautiful square azure blue crystals in open back settings, with a spring bolt clasp. The faceted crystals are...
Category
1920s Vintage England - Link Necklaces
Antique Victorian bovine bone necklace
Located in NEWARK, GB
An interesting chunky antique Victorian bovine bone necklace.
It has large smoothed flat oval bone links or carved beads, these overlap each other slightl...
Category
19th Century British Victorian Antique England - Link Necklaces
Materials
Brass
Vintage Christian Dior Long Chain Necklace with Hook Details, 1972
By Christian Dior
Located in London, GB
Vintage Christian Dior long chain necklace in gold plate, dated 1972. This long and substantial heritage necklace features chunky flat-sided oval-shaped chain links with an intricately patterned finish, punctuated at intervals by four jaunty nautical hook...
Category
1970s German Modern Vintage England - Link Necklaces
Materials
Gold Plate
Antique Victorian 274.91 Carat Amethyst and Yellow Gold Rivière Necklace
Located in Jesmond, Newcastle Upon Tyne
A stunning, impressive antique Victorian 274.91 carat amethyst and 18 karat yellow gold rivière necklace; part of our diverse antique jewelry collections.
This fine and impressive antique amethyst necklace has been crafted in 18k yellow gold.
The antique rivière necklace...
Category
1890s Unknown Victorian Antique England - Link Necklaces
Materials
Amethyst, 18k Gold, Yellow Gold
Vintage French Chunky Collar Necklace in 18k Yellow Gold
Located in London, GB
A beautiful vintage French chunky necklace set in 18k yellow gold.
The necklace is firstly composed of a mesh gold rope which acts as the base for the decorative design. Exactly 69 ...
Category
1970s French Vintage England - Link Necklaces
Materials
Gold, 18k Gold, Yellow Gold
Antique 15k Yellow Gold Long Chain Necklace, Longuard, Rope Twist Link
Located in NEWARK, GB
You can't go wrong with a beautiful antique long chain like this Edwardian 15kt gold longuard chain necklace.
The lush, rich 15kt gold is warm and and inviting with a hue that is highly sought after and 15kt gold pieces are always in high demand simply due to the rarity of the now discontinued carat.
It has elegant rope twist links with a 15kt gold dog clip...
Category
Early 20th Century British Edwardian England - Link Necklaces
Materials
15k Gold, Yellow Gold
Art Deco Silver Tone Chain Necklace with Square Rouge Pink Glass Crystals
Located in London, GB
Art Deco silver tone chain necklace featuring beautiful square rouge pink crystals in open back settings, with ornate links. The faceted crystals are raised at the front and pointed ...
Category
1920s Art Deco Vintage England - Link Necklaces
Antique Victorian Silver Longuard Chain Necklace, Victorian, Muff Chain
Located in NEWARK, GB
A gorgeous antique silver longuard chain or muff chain necklace.
This is a lovely long length chain at 58" and can be easily wrapped around three time...
Category
19th Century British Victorian Antique England - Link Necklaces
Materials
Silver
Liz Claiborne Gold Plated Disc Necklace with Crown and Lion Links
By Liz Claiborne
Located in London, GB
Liz Claiborne gold plated necklace with disc links and featuring crowns and lions. Measuring length 97.7cm / 38.4 inches. The necklace is in very good condition.
This is a beautiful...
Category
1980s American Vintage England - Link Necklaces
Vintage 0.62 Carat Diamond and 18k Yellow Gold Necklace
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 0.62 carat diamond, 18 karat yellow and 18 karat white gold necklace; part of our diverse antique jewellery and estate jewelry collections
This stunn...
Category
1990s Unknown England - Link Necklaces
Materials
Diamond, Yellow Gold, White Gold
Important Early 21st Century Sapphire and Diamond Necklace
Located in London, GB
An important early 21st century sapphire and diamond necklace, consisting of five sapphire and diamond clusters, each centrally-set with an oval faceted sapphire to a marquise-cut di...
Category
21st Century and Contemporary British England - Link Necklaces
Materials
Diamond, Sapphire, 18k Gold
Trifari Gold Plated Brushed and Shiny Leaves Link Necklace circa 1960s
By Trifari
Located in London, GB
Beautiful Trifari gold plated brushed and shiny leaves link necklace. Measuring length 39.5 cm / 15.5 inches including the extension chain with the Trifari logo charm, by width 1.3 cm / .5 inch.
This classic Trifari necklace...
Category
1960s American Vintage England - Link Necklaces
Bulgari Chunky 18 Carat Gold Fancy Link Chain Collar Necklace, circa 1980s
By Bulgari
Located in London, GB
A stylish and heavy gold collar necklace by Bulgari c.1980s, the necklace formed of oval cut out domed links with fine articulation and a concealed clasp, it sits around the base of the neck in a chunky collar style...
Category
Late 20th Century Italian England - Link Necklaces
Materials
18k Gold
Victorian Seed Pearl Floral Necklace
Located in London, GB
A Victorian seed pearl floral necklace, with circular flower clusters suspending gold leaves set with seed pearls alternating with trefoil motif d...
Category
Late 19th Century British Victorian Antique England - Link Necklaces
Materials
Pearl, Natural Pearl, Gold, Yellow Gold
Renoir Matisse Copper Mid Century Gold Black and White Enamel Drop Link Necklace
By Renoir
Located in London, GB
Renoir Matisse polished copper and anodized mid century link necklace, featuring beautiful pale gold and black enamel drops flecked with white. Measuring length, including the chain,...
Category
Mid-20th Century American Modernist England - Link Necklaces
Materials
Copper, Enamel
Recently Viewed
View AllMore Ways To Browse
Rolex Gold 2 Tone
Art Deco Baguette Platinum Band
Rolex Submariner Scratches
Ladies Patek Watches
Diamond Bezel For Rolex Datejust
Rolex Travel Service Case
Patek Philippe Ladies
Ruby And Diamond Rings Engagement Vintage
Womens 18k White Gold Band
Vintage 3 Carat Emerald Cut
Rolex Master 40
Edwardian Ring With Ruby
Eagle Emerald
Patek Watch Ladies
Patek Ladies Watches
Mens Black And Red Watch
Mens Automatic Skeleton Watch
Rolex 44mm